In flight high altitude turbulence research program : Technical report ...

Jeder ein Genie

Jubiläumsschrift : 75 Jahre Turnverein Altnau, 1886-1961

Leuchtende und dunkle Gebilde intergalaktischer Materie.

List of supernovae discovered since 1885 : interim report to the Committee for Research on Supernovae within Commission 28 of the International Astronomical Union and to the National Science Foundation, Washington, D.C